Ecosystem

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Ecosystem Forest, Grassland, Desert, Arctic, Aquatic

Tree of Life
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Vertebrate Fish, Seahorse, Ray, Shark, Frog, Turtle, Tortoise, Dinosaur
Bird, Ostrich, Owl, Crow, Parrot
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Monkey, Chimpanzee, Human

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These are organized by a classification scheme developed exclusively for Cosma. More…

General

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Dictionary

ecosystem : the complex of a community of organisms and its environment functioning as an ecological unit — Webster

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Encyclopedia

Ecosystem is a community made up of living organisms and nonliving components such as air, water, and mineral soil. Ecosystems can be studied in two different ways. They can be thought of as interdependent collections of plants and animals, or as structured systems and communities governed by general rules. The living (biotic) and non-living (abiotic) components interact through nutrient cycles and energy flows. Ecosystems include interactions among organisms, and between organisms and their environment. Ecosystems can be of any size but each ecosystem has a specific, limited space. — Wikipedia

Encyclopædia Britannica



Types of Environmental Ecosystems (Amy Harris, Sciencing)

Biome is a community of plants and animals that have common characteristics for the environment they exist in. They can be found over a range of continents. Biomes are distinct biological communities that have formed in response to a shared physical climate. “Biome” is a broader term than “habitat”; any biome can comprise a variety of habitats.

A ‘biota’ is the total collection of organisms of a geographic region or a time period, from local geographic scales and instantaneous temporal scales all the way up to whole-planet and whole-timescale spatiotemporal scales. The biotas of the Earth make up the biosphere. — Wikipedia

Encyclopædia Britannica



The World’s Biomes (California Academy of Sciences)
Earth’s Habitats (National Geographic)
WorldBiomes.com

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Science

Ecology is the branch of biology which studies the interactions among organisms and their environment. Objects of study include interactions of organisms with each other and with abiotic components of their environment. Topics of interest include the biodiversity, distribution, biomass, and populations of organisms, as well as cooperation and competition within and between species. Ecosystems are dynamically interacting systems of organisms, the communities they make up, and the non-living components of their environment. Ecosystem processes, such as primary production, pedogenesis, nutrient cycling, and niche construction, regulate the flux of energy and matter through an environment. These processes are sustained by organisms with specific life history traits. — Wikipedia

Ecology Portal (Wikipedia)
Ecology (Encyclopædia Britannica)


Preservation

History



Edward O. Wilson (Museum of Comparative Zoology, Harvard University)
E. O. Wilson (Biodiversity Foundation)
E. O. Wilson (Encyclopædia Britannica)
E. O. Wilson (Wikipedia)

The Evolution of Ecology (Simon A. Levin, Chronicle of Higher Education)
History of ecology (Wikipedia)

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Crash Course Kids Life Science: Ecosystems and Flow of Energy (YouTube Playlist)



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The Changing Colors of our Living Planet (NASA)



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How to Make Your Own Terrarium (Better Homes & Gardens)
How to Make a Terrarium (WikiHow)
Terrarium (Wikipedia)

returntotop

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Ecosystems News -- ScienceDaily Ecology news. Learn about ecosystems at risk. Read current events articles on fragile ecosystems and what can be done to protect them.

  • New method to predict the vulnerability of...
    on May 20, 2019 at 3:56 pm

    The susceptibility of ecosystems to disruption depends on a lot of factors that can't all be grasped. A new method provides good results with only limited information about the properties of predators. The model confirms that a large body mass index between predator and prey creates stable systems. It can also predict which predator species play a key role. […]

  • Changes in subsistence hunting threaten local...
    on May 17, 2019 at 3:51 pm

    Scientists say that subsistence hunting in Neotropical rain forests -- the mainstay of local people as a source of protein and a direct connection to these ecosystems -- is in jeopardy from a variety of factors. […]

  • Protecting rare species can benefit human life
    on May 16, 2019 at 7:53 pm

    Preserving rare species for the sake of global biodiversity has long been the primary focus for conservationists. To better protect rare animals, insects and plants, and to prepare for an uncertain future influenced by climate change, a team of researchers is aiming to merge this conventional wisdom with a new way of thinking: arguing researchers needs to better understand how rare species benefit people outside of their existence value. […]

  • Shedding light on the key determinants of global...
    on May 16, 2019 at 3:46 pm

    Land use is at the core of various sustainable development goals. An international research group has endeavored to disentangle the key determinants of global land use projections. […]

  • How plants are working hard for the planet
    on May 16, 2019 at 3:45 pm

    As the planet warms, plants are working to slow the effect of human-caused climate change -- and new research has assessed how plants are responding to increasing carbon dioxide (CO2). […]


Phys.org - latest science and technology news stories Phys.org internet news portal provides the latest news on science including: Physics, Nanotechnology, Life Sciences, Space Science, Earth Science, Environment, Health and Medicine.

  • Expert judgement provides better understanding of...
    on May 20, 2019 at 7:00 pm

    Melting ice sheets in Greenland and the Antarctic, and subsequent sea level rise (SLR) this will cause, is widely recognised as posing a significant threat to coastal communities and ecosystems. […]

  • Where on Earth is the Salish Sea?
    on May 17, 2019 at 12:03 pm

    Less than half of the people in Washington and British Columbia have heard of the Salish Sea, even though they live alongside it. […]

  • Mapping the global distribution of phytoplankton
    on May 16, 2019 at 2:23 pm

    Researchers at ETH have charted the distribution of phytoplankton in the world's oceans for the first time and investigated the environmental factors that explain this distribution. They concluded that plankton diversity is only partially congruent with previous theories of biodiversity for the seas between the equator and the poles. […]

  • Climate change is putting even resilient and...
    on May 16, 2019 at 12:26 pm

    Baboons are large, smart, ground-dwelling monkeys. They are found across sub-Saharan Africa in various habitats and eat a flexible diet including meat, eggs, and plants. And they are known opportunists – in addition to raiding crops and garbage, some even mug tourists for their possessions, especially food. […]

  • Researchers map symbiotic relationships between...
    on May 15, 2019 at 5:00 pm

    In and around the tangled roots of the forest floor, fungi and bacteria grow with trees, exchanging nutrients for carbon in a vast, global marketplace. A new effort to map the most abundant of these symbiotic relationships—involving more than 1.1 million forest sites and 28,000 tree species—has revealed factors that determine where different types of symbionts will flourish. The work could help scientists understand how symbiotic partnerships structure the world's forests and how […]